/Engine/Source/Runtime/AIModule/Classes/EnvironmentQuery/EnvQueryTypes.h
Note that this function does not strip out the null-actors to not mess up results of GetItemScore(Index) calls
void GetAllAsActors ( [TArray](API\Runtime\Core\Containers\TArray)< [AActor](API\Runtime\Engine\GameFramework\AActor) * > & OutActors ) const